| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [prep] | 1920 |
|
| 2 | [pers pn] had been [prep] | 1378 |
|
| 3 | it [verb] been [prep] | 612 |
|
| 4 | it have been [prep] | 611 |
|
| 5 | it [vb past] been [prep] | 331 |
|
| 6 | it had be [prep] | 330 |
|
| 7 | it had [be] [prep] | 330 |
|
| 8 | it had been [prep] | 328 |
|
| 9 | it had been [prep] | 328 |
|
| 10 | it had [been] [prep] | 328 |
|
